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BVP Medical BVP Medical Solved Paper-2008

  • question_answer
    The number of a-and p-particles emitted in nuclear reaction \[_{90}T{{h}^{228}}{{\xrightarrow{{}}}_{83}}B{{i}^{212}}\] are respectively

    A)  4, 1                                       

    B)  3, 7

    C)  8, 1                                       

    D)  4, 7

    Correct Answer: A

    Solution :

                    \[_{90}T{{h}^{228}}{{\xrightarrow{{}}}_{83}}B{{i}^{212}}+x_{2}^{4}\alpha +y_{-1}^{0}\beta \] \[228=212+4x\] or  \[4x=16\] or \[x=4\] \[90=83+2x-y=83+8-y\] or \[y=1\]


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